/*
 * Copyright (c) 2024 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
/**---
 description: >
    TypeScript 5.0 now allows JSDoc to declare overloads with a new @overload tag.
    Each JSDoc comment with an @overload tag is treated as a distinct overload for the following function declaration.
 module: ES2022
 isCurrent: true
 ---*/


import { Assert } from '../../../suite/assert.js';

/**
 * @overload
 * @param {string} a
 * @return {string}
 */

/**
 * @overload
 * @param {string} a
 * @param {string} b
 */

function printValue(a: string, b?: string): string {
  if (b) {
    return a.concat(b);
  } else {
    return a.toUpperCase();
  }
}

Assert.equal(printValue('hello'), 'HELLO');
Assert.equal(printValue('hello', 'world'), 'helloworld');